20121717080

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{146617}}^1$

素因数の和:146748

約数の個数: 64

約数和(自身を含む): 46870842240

約数和(自身を除く): 26749125160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 584, 730, 940, 1460, 1880, 2920, 3431, 6862, 13724, 17155, 27448, 34310, 68620, 137240, 146617, 293234, 586468, 733085, 1172936, 1466170, 2932340, 5864680, 6890999, 10703041, 13781998, 21406082, 27563996, 34454995, 42812164, 53515205, 55127992, 68909990, 85624328, 107030410, 137819980, 214060820, 275639960, 428121640, 503042927, 1006085854, 2012171708, 2515214635, 4024343416, 5030429270, 10060858540, 20121717080]

約数ペア:

[(1, 20121717080), (2, 10060858540), (4, 5030429270), (5, 4024343416), (8, 2515214635), (10, 2012171708), (20, 1006085854), (40, 503042927), (47, 428121640), (73, 275639960), (94, 214060820), (146, 137819980), (188, 107030410), (235, 85624328), (292, 68909990), (365, 55127992), (376, 53515205), (470, 42812164), (584, 34454995), (730, 27563996), (940, 21406082), (1460, 13781998), (1880, 10703041), (2920, 6890999), (3431, 5864680), (6862, 2932340), (13724, 1466170), (17155, 1172936), (27448, 733085), (34310, 586468), (68620, 293234), (137240, 146617)]